Home / 31,920,391.49-47,887,319.54-10,353,318.32

Finding the Fourth Proportional to 31,920,391.49, 47,887,319.54 and 10,353,318.32

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Solution

The fourth proportional to 31,920,391.49, 47,887,319.54 and 10,353,318.32 is: 15,532,161.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920,391.49 : 47,887,319.54 = 10,353,318.32 : x
  2. Step 2: Convert to fraction form
    31,920,391.49/47,887,319.54 = 10,353,318.32/x
  3. Step 3: Cross multiply
    31,920,391.49x = 47,887,319.54 × 10,353,318.32
  4. Step 4: Simplify right side
    31,920,391.49x = 495,792,662,689,176
  5. Step 5: Solve for x
    x = 495,792,662,689,176/31,920,391.49
  6. Step 6: Final answer
    x = 15,532,161.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.